A lightweight, non-sticky foam that locks our waves into a cast, without weighing them down. Contains quaternary polymer, which enhances the shape and definition of our waves by creating space between the hair strands. 

  • Benefits
  • How To Use
  • Ingredients

- Lightweight foam that locks our waves into a cast without weighing it down

- Includes Polyquaternium-16, which provides volume by adding lift at the roots. This creates space between the hair strands which enhances your waves shape and definition

- Adds a film over your hair strands which prevents it from becoming dehydrated

- Non-greasy, which will create a softer, shinier appearance

- Can be used on non-wash days to re-define waves

- Free of harsh ingredients (silicones, sulphates, parabens) which strip away your hairs vital natural oils and can cause scalp irritation and frizz. 

- Vegan friendly

- Never tested on animals.

Apply to soaking wet hair. This will evenly distribute the product. 

Flip your head upside down. Take the Merwave Cast Foam and rake it through gently. Then take small sections of your hair and scrunch them up towards your scalp. Squeeze slightly to get rid of excess moisture to help the drying process.

You then scrunch in a small quantity of Protect Gel to hold that definition in place. This lightweight gel won’t weigh your waves down unlike heavier gels. Simply diffuse or air dry as normal.

Aqua (Water), VP/VA Copolymer, Cocamidopropyl Betaine, Polyquaternium-16, PEG-35 Castor Oil, Panthenol, Benzophenone-4, Amyl Cinnamal, Citronellol, Phenoxyethanol, Ethylhexylglycerin, Geraniol, Citric Acid, Hexyl Cinnamal, Limonene, Parfum (Fragrance).

Curly Girl Approved.

Wavy Women's Best Friend

Strong enough to lock our waves into a cast. Lightweight enough not to weigh our waves down. Creates space between your hair strands which results in defined, bouncy waves. 

Pro tips

Apply styling products to soaking wet hair. This ensures the product distributes evenly.

Customer Reviews

Based on 2614 reviews
Kelly Miller
Marvellous Products!

Products that do exactly what they claim to do! While I knew they’d work when I purchased, I was overwhelmed by how well they work! I am delighted that I can achieve quite a tight curl without the need for any heat whatsoever. I’m hooked and will definitely keep buying.

Toni Borquez-Warden
Amazing Products!

Finally, I can embrace my natural curls without crunchy, hard hair :)

Charlotte Lennard
Change changer

Have straightened my hair for 30 years now. These products are amazing. My hair is beachy and takes no time now to get ready. Honestly couldn’t be happier; if you have some waves this is definitely worth a try